Troubleshooting and routine maintenance
11 - 16
11
Improving the print quality
Examples of poor print quality
Recommendation
Faint
Check the machine’s environment. Conditions such as humidity, high
temperatures, and so on may cause this print fault. (See
If the whole page is too light,
Toner Save
mode may be on. Turn off
Toner Save
mode in the Advanced tab of printer driver Properties.
—
OR
—
If this problem occurs when making copies or printing received faxes, turn off
Toner Save mode in the machine itself. (See
Clean the scanner window and the primary corona wire on the drum unit. (See
Cleaning the laser scanner window
on page 11-24.) If the print quality has not improved, install a new drum unit. (See
Replacing the drum unit (DR-350)
Install a new toner cartridge. (See
Replacing the toner cartridge (TN-350)
Gray background
Make sure that you use paper that meets the recommended specifications. (See
Check the machine’s environment - high temperatures and high humidity can
increase the amount of background shading. (See
1-2.)
Install a new toner cartridge. (See
Replacing the toner cartridge (TN-350)
Clean the primary corona wire on the drum unit. (See
page 11-24.) If the print quality has not improved, install a new drum unit. (See
Replacing the drum unit (DR-350)
Ghost
Make sure you use paper that meets our specifications. Rough-surfaced paper or
thick print media may cause this problem.
Make sure that you choose the appropriate media type in the printer driver or in
the machine’s Paper Type menu setting. (See
Basic
tab
in the Software User’s Guide on the CD-ROM.)
Install a new drum unit. (See
Replacing the drum unit (DR-350)
Toner specks
Make sure that you use paper that meets our specifications. Rough-surfaced
paper may cause the problem. (See
Clean the primary corona wire and the drum unit. (See
on page 11-17.) If the print quality has
not improved, install a new drum unit. (See
Replacing the drum unit (DR-350)
Hollow print
Make sure that you use paper that meets our specifications. (See
page 1-8.) Choose
Thick paper
mode in the printer driver or in the machine’s
Paper Type menu setting, or use thinner paper than you are currently using.
Check the machine’s environment because conditions such as high humidity can
cause hollow print. (See
Clean the primary corona wire on the drum unit. (See
page 11-24.) If the print quality has not improved, install a new drum unit. (See
Replacing the drum unit (DR-350)
All black
Clean the primary corona wire on the drum unit. (See
If the print quality has not improved, install a new drum unit. (See
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